src/V3d/V3d_Viewer_3.cxx

   1 /***********************************************************************
   2
   3      FONCTION :
   4      ----------
   5         Classe V3d_Viewer_3.cxx :
   6
   7      HISTORIQUE DES MODIFICATIONS   :
   8      --------------------------------
   9       00-09-92 : GG  ; Creation.
  10       27-12-98 : FMN ; PERF: OPTIMISATION LOADER (LOPTIM)
  11
  12      REMARQUES :
  13      -----------
  14
  15 ************************************************************************/
  16
  17 #define IMP240300       //GG
  18 //                      -> Remove the grid plane axis when it is requested.
  19 //                      -> Redraw the privilegied grid plane after any change
  20
  21 /*----------------------------------------------------------------------*/
  22 /*
  23  * Includes
  24  */
  25
  26 #include <V3d_Viewer.jxx>
  27
  28 #include <Graphic3d_AspectLine3d.hxx>
  29 #include <Graphic3d_AspectText3d.hxx>
  30 #include <gp_Dir.hxx>
  31 #include <gp_Pnt.hxx>
  32 #include <Graphic3d_Structure.hxx>
  33 #include <Graphic3d_Group.hxx>
  34
  35 #include <Graphic3d_Array1OfVertex.hxx>
  36
  37 /*----------------------------------------------------------------------*/
  38 /*
  39  * Static variable
  40  */
  41
  42 #define LOPTIM
  43 #ifndef LOPTIM
  44 static TCollection_AsciiString XLetter("X");
  45 static TCollection_AsciiString YLetter("Y");
  46 static TCollection_AsciiString ZLetter("Z");
  47 #else
  48 static TCollection_AsciiString _XLetter() {
  49     static TCollection_AsciiString XLetter("X");
  50 return XLetter;
  51 }
  52 #define XLetter _XLetter()
  53
  54 static TCollection_AsciiString _YLetter() {
  55     static TCollection_AsciiString YLetter("Y");
  56 return YLetter;
  57 }
  58 #define YLetter _YLetter()
  59
  60 static TCollection_AsciiString _ZLetter() {
  61     static TCollection_AsciiString ZLetter("Z");
  62 return ZLetter;
  63 }
  64 #define ZLetter _ZLetter()
  65
  66 #endif // LOPTIM
  67
  68 /*----------------------------------------------------------------------*/
  69
  70 void V3d_Viewer::SetPrivilegedPlane(const gp_Ax3& aPlane) {
  71   myPrivilegedPlane = aPlane;
  72 #ifdef IMP240300
  73   Grid()->SetDrawMode(Grid()->DrawMode());
  74   for (InitActiveViews (); MoreActiveViews (); NextActiveViews ()) {
  75     ActiveView ()->SetGrid (myPrivilegedPlane, Grid ());
  76   }
  77 #endif
  78   if(myDisplayPlane) {
  79     Standard_Real s = myDisplayPlaneLength;
  80     DisplayPrivilegedPlane(Standard_True,s);
  81 #ifdef IMP240300
  82   } else {
  83     Update();
  84 #else
  85     Update();
  86 #endif
  87   }
  88 }
  89
  90 /*----------------------------------------------------------------------*/
  91 gp_Ax3  V3d_Viewer::PrivilegedPlane() const {
  92   return myPrivilegedPlane;
  93
  94 }
  95
  96 /*----------------------------------------------------------------------*/
  97 void V3d_Viewer::DisplayPrivilegedPlane(const Standard_Boolean OnOff, const Quantity_Length aSize) {
  98   Standard_Boolean Change =  myDisplayPlane != OnOff;
  99   myDisplayPlane = OnOff;
 100   myDisplayPlaneLength = aSize;
 101
 102   if(myDisplayPlane) {
 103     if(myPlaneStructure.IsNull()) {
 104       myPlaneStructure = new Graphic3d_Structure(MyViewer);
 105       myPlaneStructure->SetInfiniteState(Standard_True);
 106       myPlaneStructure->Display();
 107     }
 108     else
 109       myPlaneStructure->Clear();
 110
 111 //    Handle(Graphic3d_Structure) thePlaneStructure = new Graphic3d_Structure(MyViewer);
 112     Handle(Graphic3d_Group) Group = new Graphic3d_Group(myPlaneStructure) ;
 113
 114     Handle(Graphic3d_AspectLine3d) LineAttrib = new Graphic3d_AspectLine3d() ;
 115     LineAttrib->SetColor(Quantity_Color(Quantity_NOC_GRAY60));
 116     Group->SetPrimitivesAspect(LineAttrib) ;
 117
 118     Handle(Graphic3d_AspectText3d) TextAttrib = new Graphic3d_AspectText3d();
 119     TextAttrib->SetColor(Quantity_Color(Quantity_NOC_ROYALBLUE1));
 120     Group->SetPrimitivesAspect(TextAttrib);
 121
 122     Graphic3d_Array1OfVertex Points(0,1) ;
 123     Standard_Real xl,yl,zl;
 124     myPrivilegedPlane.Location().Coord(xl,yl,zl);
 125     Points(0).SetCoord(xl,yl,zl);
 126
 127     Standard_Real ay,by,cy;
 128
 129     myPrivilegedPlane.XDirection().Coord(ay,by,cy);
 130     Points(1).SetCoord(xl+myDisplayPlaneLength*ay,
 131                        yl+myDisplayPlaneLength*by,
 132                        zl+myDisplayPlaneLength*cy);
 133     Group->Polyline(Points);
 134     Group->Text(XLetter.ToCString(),Points(1),1./81.);
 135
 136     myPrivilegedPlane.YDirection().Coord(ay,by,cy);
 137     Points(1).SetCoord(xl+myDisplayPlaneLength*ay,
 138                        yl+myDisplayPlaneLength*by,
 139                        zl+myDisplayPlaneLength*cy);
 140     Group->Polyline(Points);
 141     Group->Text(YLetter.ToCString(),Points(1),1./81.);
 142
 143     myPrivilegedPlane.Direction().Coord(ay,by,cy);
 144     Points(1).SetCoord(xl+myDisplayPlaneLength*ay,
 145                        yl+myDisplayPlaneLength*by,
 146                        zl+myDisplayPlaneLength*cy);
 147     Group->Polyline(Points);
 148     Group->Text(ZLetter.ToCString(),Points(1),1./81.);
 149 #ifdef IMP240300
 150     myPlaneStructure->Display();
 151   } else {
 152     if( !myPlaneStructure.IsNull() )  myPlaneStructure->Erase();
 153 #endif
 154   }
 155   if(Change) Update();
 156 }
 157
 158 /*----------------------------------------------------------------------*/